ansible: update jenkins-workspace to Java 25

Signed-off-by: Richard Lau <richard.lau@ibm.com>

Author: richardlau

ansible/roles/java-base/vars/main.yml

@@ -16,7 +16,7 @@ packages: {
   'rhel8': 'java-17-openjdk',
   'rhel9': 'java-17-openjdk',
   'smartos': 'openjdk17',
-  'ubuntu': 'openjdk-17-jre-headless',
+  'ubuntu': 'openjdk-25-jre-headless',
   'ubuntu1604': 'openjdk-8-jre-headless',
   'ubuntu2204': 'openjdk-17-jre-headless',
   }